.modalform {
    background: none repeat scroll 0 0 rgba(0, 0, 0, 0.8);
    bottom: 0;
    display: none;
    font-family: Arial,Helvetica,sans-serif;
    font-size: 14px;
    left: 0px;
    opacity: 0;
    pointer-events: none;
    position: fixed;
    right: 0;
    top: 0px;
    height: 1200px;
    transition: opacity 400ms ease-in 0s;
    z-index:10;
    position:absolute;
    overflow:hidden;
}

.modalform:target {
    display: block;
    opacity: 1;
    pointer-events: auto;
    z-index: 10;
}

.modaldiv {
    background: linear-gradient(#999, #fff) repeat scroll 0 0 rgba(0, 0, 0, 0);
    border-radius: 10px;
    margin: 5% auto;
    padding: 5px 20px 13px;
    position: relative;
    top: 0px;
    width: 450px;
}
.modalform .close {
    background: none repeat scroll 0 0 #606061;
    border-radius: 12px;
    box-shadow: 1px 1px 3px #000;
    color: #ffffff;
    font-weight: bold;
    line-height: 25px;
    position: absolute;
    right: -12px;
    text-align: center;
    text-decoration: none;
    top: -10px;
    width: 24px;
}
.modalform .close:hover {
    background: none repeat scroll 0 0 #00d9ff;
}

.modalform .sub {
    background: rgba(0, 0, 0, 0) -moz-linear-gradient(center top , #fda400 0%, #fe6a00 100%) repeat scroll 0 0;
    background-color: #FB8C21;
    border: 1px solid #c56600;
    box-shadow: 0 1px 0 rgba(255, 255, 255, 0.6), 0 1px 0 rgba(255, 255, 255, 0.6) inset;
    color: #ffffff;
}